CN113503997A

CN113503997A - Torque detection device for electric actuator

Info

Publication number: CN113503997A
Application number: CN202111023528.7A
Authority: CN
Inventors: 吴文涛
Original assignee: Changzhou Yi Mickey Power Station Auxiliaries Co ltd
Current assignee: Changzhou Yi Mickey Power Station Auxiliaries Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-10-15
Anticipated expiration: 2041-09-02
Also published as: CN113503997B

Abstract

The invention belongs to the technical field of electric actuator detection equipment, and particularly relates to torque detection equipment for an electric actuator, aiming at the problem that dust particles enter a torque detection port of the electric actuator to cause errors during detection and inaccurate detection results of the electric actuator, the torque detection equipment comprises a rack and an electric actuator body, wherein two symmetrical rectangular grooves are formed in the upper end of the rack, side frames are fixedly connected to the inner walls of the two rectangular grooves, a placing seat is arranged between the two side frames, fixing assemblies are arranged on the placing seat, and overturning assemblies are arranged on two sides of the placing seat. According to the invention, the cleaning component is utilized to clean the torque detection end of the electric actuator before the torque detection of the electric actuator is carried out, so that dust particles and impurities existing in the torque detection end are removed, the error of a torque detection result caused by the existence of dust particles in the torque detection end in the detection process is avoided, and the accuracy of the torque detection of the electric actuator is improved.

Description

Torque detection device for electric actuator

Technical Field

The invention relates to the technical field of electric actuator detection equipment, in particular to torque detection equipment for an electric actuator.

Background

The electric actuator is also called as an electric actuating mechanism, and is a driving device capable of providing linear or rotary motion, which utilizes certain driving energy and works under the action of certain control signals; the actuator uses liquid, gas, electricity or other energy sources and converts the energy sources into driving action through a motor, a cylinder or other devices, and the basic types of the actuators comprise three driving modes of partial rotation, multi-rotation and straight stroke, and the actuators are used for driving the valve to a fully open or fully closed position.

Before the electric actuator is put into use, the torque of the electric actuator needs to be detected, namely, a torque tester is adopted to debug and detect a torque detection end of the electric actuator, and whether the execution torque of the electric actuator meets the use standard or not is measured.

Usually, the electric actuator needs to be transported to a detection workshop for torque detection after being assembled, and dust particles can enter a torque detection port of the electric actuator due to batch transportation of the electric actuator in the transportation process, so that errors occur during detection, and the detection result of the electric actuator is inaccurate.

Disclosure of Invention

The invention provides a torque detection device for an electric actuator, which is based on the fact that dust particles enter a torque detection port of the electric actuator, so that errors occur in detection and the detection result of the electric actuator is inaccurate.

The invention provides torque detection equipment for an electric actuator, which comprises a rack and an electric actuator body, wherein two symmetrical rectangular grooves are formed in the upper end of the rack, side frames are fixedly connected to the inner walls of the two rectangular grooves, a placing seat is arranged between the two side frames, a fixing assembly is arranged on the placing seat, overturning assemblies are arranged on two sides of the placing seat, a cleaning box is arranged below the placing seat, slide rails are arranged on two sides of the cleaning box, the cleaning box is movably connected with the inner walls of the two sides of the rack, a cleaning assembly is arranged on the cleaning box, a groove is formed in the bottom of the rack, a first motor is fixedly connected to the inner wall of the groove, the output end of the first motor is connected with a first lead screw through a coupler, the other end of the first lead screw is movably connected with the inner wall of one side of the rack, a base is arranged on one side of the cleaning box, fixed connection between the downside outer wall of base and the frame, and the top of base is provided with places the subassembly, places and is provided with the torque tester on the subassembly.

Preferably, fixed subassembly includes that two stoppers, two press the seat and two push away the seat, places and has seted up on the seat and place the hole, and two stoppers are located the both sides of placing the hole and are the symmetric distribution, and the upper end of two stoppers all sets up to the arcuation, and just two press the seat and two bottoms that push away the seat all are provided with the slide, slide and the upside inner wall swing joint who places the seat, and two press the seat and two push away the seat and all are the symmetric distribution.

Preferably, the outer wall of the upper side of the placing seat is fixedly connected with two symmetrical side seats, the two side seats are positioned behind the two limit blocks, the outer wall of one side of each of the two side seats is fixedly connected with three limit springs, the other ends of the three limit springs are fixedly connected with the outer wall of one side of the limit block at the same side, the outer wall of one side of each of the two pressing seats is a cambered surface, the outer wall of the cambered surface is fixedly connected with a rubber pad, the outer wall of the rubber pad is provided with a plurality of anti-skidding grooves, the sliding seats of the two pressing seats are provided with symmetrical threaded holes, the inner walls of the two threaded holes are movably connected with a same second lead screw, the two ends of the second lead screw are respectively and movably connected with the inner walls of the two sides of the placing seat, the interior of the placing seat is provided with a cavity, the inner wall of the placing seat is fixedly connected with a second motor, the output end of the second motor is connected with a short shaft through a coupler, and the other end of the short shaft is fixedly connected with a main gear, the outer wall of the middle part of the second screw rod is fixedly connected with a sleeve wheel, and the main gear is meshed with the sleeve wheel.

Preferably, the outer wall of the upper side of the placing seat is fixedly connected with two fixing seats, the two fixing seats are symmetrically distributed on two corners of the placing seat, one side of each fixing seat is provided with a push plate, the push plate is positioned between the fixing seat and the push seat, the outer wall of one side of each fixing seat is provided with a round hole, the inner wall of each round hole is fixedly connected with a first hydraulic rod, the other end of each first hydraulic rod is fixedly connected with the outer wall of one side of the push plate, the outer wall of the other side of the push plate is fixedly connected with four symmetrical limiting rods, the outer wall of one side of the push seat is provided with four symmetrical round holes, the four limiting rods are movably connected with the inner walls of the four round holes, the outer parts of the four limiting rods are respectively sleeved with a buffer spring, two ends of each buffer spring are respectively fixedly connected with the outer wall of one side of the push plate and the outer wall of one side of the push seat, the other side of the push seat is provided with a cambered surface, the inner wall of the cambered surface is fixedly connected with an anti-slip mat, and the anti-slip mat is made of rubber, the outer wall of the non-slip mat is provided with dense rubber bulges.

Preferably, the turnover assembly comprises two side shafts and two shaft seats, the two side shafts are respectively and fixedly connected with the outer walls of the two sides of the placing seat, the inner walls of the two shaft seats are respectively and movably connected with the outer walls of the two side shafts, a circular groove is formed in one shaft seat, the inner wall of the circular groove is fixedly connected with a third motor, the output end of the third motor is connected with a short shaft through a coupler, the other end of the short shaft penetrates through the shaft seat and is fixedly connected with the inner walls of the side shafts, sliding seats are arranged on one sides of the two shaft seats, sliding grooves are formed in the two side frames and are movably connected with the inner walls of the sliding grooves, electric sliding rails are arranged in the sliding grooves of the two side frames, auxiliary seats are fixedly connected with the outer walls of one sides of the two shaft seats, the auxiliary seats are located above the side frames, spherical grooves are formed in the bottoms of the auxiliary seats, spherical rollers are arranged in the spherical grooves, and wheel grooves are formed in the outer walls of the upper sides of the side frames, the auxiliary seat is movably connected with the side frame.

Preferably, the cleaning assembly comprises an inner cylinder, two dust collecting cylinders and a fan, the inner cylinder is fixedly connected with the inner wall of the cleaning box, the bottom of the cleaning box is provided with two symmetrical cylindrical holes, the two dust collecting cylinders are positioned inside the two cylindrical holes, the outer walls of the two dust collecting cylinders are fixedly connected with the inner wall of the cylindrical holes, the bottom of the cleaning box is fixedly connected with a movable seat, the bottom of the frame is provided with a rectangular groove, the movable seat is positioned inside the rectangular groove and provided with a threaded hole, a first lead screw is movably connected with the inner wall of the threaded hole through inner wall threads, the outer wall of one side of the cleaning box is fixedly connected with a base, the fan is positioned at the upper side of the base, the outer wall of the bottom of the fan is fixedly connected with the outer wall of the upper side of the base, a connector is arranged below the base, and the outer wall of the connector is fixedly connected with the outer wall of one side of the cleaning box, the output end of the fan is connected with the upper port of the connector through a hose, two sides of the connector are provided with symmetrical lower ports, the two lower ports are respectively connected with the two dust collecting cylinders through hoses, hole grooves are formed in the two dust collecting cylinders, the outer wall of each hole groove is fixedly connected with an air suction box, the outer wall of each air suction box is fixedly connected with the inner wall of the cleaning box, the upper port of each air suction box is provided with an air suction port which is positioned in the inner cavity of the cleaning box, the inner cavity of the cleaning box is provided with a blanking seat, the bottom of each blanking seat is fixedly connected with the inner wall of the cleaning box, the section of each blanking seat is triangular, the outer walls on two sides of each blanking seat are smooth slope surfaces, dust collection sponges are arranged inside the two dust collecting cylinders, the shape of each dust collection sponge is spiral, the dust collection sponges are movably connected with the inner walls of the dust collecting cylinders, the inner walls on one sides of the two dust collecting cylinders are provided with thread grooves, two dust accumulation barrels are connected with barrel covers through inner wall threads, and sealing rings are arranged between the barrel covers and the dust accumulation barrels.

Preferably, a second hydraulic rod is arranged inside the inner barrel, the bottom of the second hydraulic rod is fixedly connected with the inner wall of the cleaning box, the other end of the second hydraulic rod is fixedly connected with a fourth motor, the outer wall of the fourth motor is movably connected with the inner wall of the inner barrel, the output end of the fourth motor is connected with a connecting rod through a coupling, the other end of the connecting rod is fixedly connected with a bracket, a circular groove is formed in the outer wall of the upper side of the bracket, an extension rod is fixedly connected with the inner wall of the circular groove, and a connecting sleeve is movably connected with the outer wall of the extension rod, and the three support of outer wall fixedly connected with of adapter sleeve, three support are circumference equidistance and distribute, and the upside outer wall of bracket is the circumference equidistance and has seted up the rectangular channel, and the equal fixedly connected with backing plate of inner wall of three rectangular channel has seted up a circular slot on the backing plate, and the inner wall fixedly connected with third hydraulic stem of circular slot, the other end of third hydraulic stem and the downside outer wall fixed connection of support.

Preferably, the top end of the extension rod is fixedly connected with a top seat, the cross section of the top seat is in an equilateral hexagon shape, a fixed sleeve is arranged between the top seat and the connecting sleeve, the inner wall of the fixed sleeve is fixedly connected with the outer wall of the extension rod, three side outer walls of the fixed sleeve are respectively provided with a rectangular groove, the three rectangular grooves are distributed at equal intervals, two side inner walls of the three rectangular grooves are respectively and movably connected with a turnover plate, the other ends of the three turnover plates are respectively and movably connected with an extending frame, the bottoms of the three extending frames are respectively provided with a sliding seat, the upper sides of the three supports are respectively provided with a sliding groove, the three extending frames are respectively and movably connected with the three supports, the outer wall of one side of each of the three turnover plates is respectively and fixedly connected with a reset spring, the other end of each reset spring is fixedly connected with the outer wall of one side of the top seat, the outer walls of the three extending frames are respectively provided with two round holes, and the inner walls of the two round holes are fixedly connected with the same brush seat, the outer wall of one side of the brush seat is provided with the soft brush, the outer wall of the upper side of the cleaning box is provided with a rectangular groove, the inner wall of the rectangular groove is fixedly connected with a sieve plate, and the cross section of the aperture on the sieve plate is inverted trapezoid.

Preferably, the placing assembly comprises a workbench and a base, a heat dissipation pad is fixedly connected to the outer wall of the upper side of the workbench, a plurality of rectangular grooves are formed in the heat dissipation pad at equal intervals, a rubber layer is arranged on the outer wall of the upper side of the heat dissipation pad, clamping seats are arranged on both sides of the workbench, a drawing block is fixedly connected to the outer wall of one side of each of the two clamping seats, square grooves are formed in the outer walls of both sides of the workbench, the drawing block is movably connected with the inner wall of the square groove, two fixing springs are fixedly connected to the outer walls of both sides of the workbench and are symmetrically arranged on both sides of the drawing block, the other ends of the two fixing springs are fixedly connected with the outer wall of one side of each of the clamping seats, the base is located below the workbench, a fourth hydraulic rod is fixedly connected to the inner wall of the base, the other end of the fourth hydraulic rod is fixedly connected with the inner wall of the bottom of the workbench, the base is located above the base, four symmetrical rectangular grooves are formed in the outer wall of the lower side of the base and the outer wall of the upper side of the base, the four rectangular grooves are respectively positioned at four corners, and the dampers are fixedly connected between the upper rectangular groove and the lower rectangular groove.

Preferably, rectangular holes are formed in the outer walls of the two sides of the rack, grooves are formed in the inner walls of the four sides of each rectangular hole, observation windows are fixedly connected to the inner walls of the grooves, and the observation windows are made of toughened glass.

The beneficial effects of the invention are as follows:

1. the invention is characterized in that the electric actuator body is placed on the placing seat through the arranged frame, the electric actuator body, the side frame, the placing seat, the fixing component, the overturning component, the cleaning box, the cleaning component, the first motor, the first lead screw, the base, the placing component and the torsion tester, after the electric actuator body is fixed through the fixing component, the first motor drives the lead screw to rotate, the position of the cleaning box is adjusted, then the overturning component overturns the whole placing seat, the torque detection end of the electric actuator body is overturned downwards, the cleaning component cleans the inside of the torque detection end of the electric actuator body, the overturning component resets the whole placing seat after cleaning is finished, then the whole placing seat is conveyed to the front of the torsion tester, the placing component adjusts the position of the torsion tester during conveying, and the torque detection end of the electric actuator body is inserted into the test port of the torsion tester, then carrying out torque detection on the electric actuator; the device utilizes clean subassembly before carrying out torque detection to electric actuator, cleans electric actuator's torque detection end, gets rid of and has dust particle impurity in the torque detection end, avoids the testing process, because of there is dust particle at the torque detection end and causes the torque testing result error, improves electric actuator torque detection's accuracy.

2. The invention places an electric actuator body on a placing seat through an arranged fixing component, the electric actuator body extrudes limiting blocks at two sides in the placing process, a limiting spring contracts to increase the distance between the two limiting blocks, after the electric actuator body is placed completely, the limiting spring exerts thrust force on the limiting blocks under the reverse acting force of elastic deformation, the limiting blocks at two sides clamp and fix the electric actuator body, then under the driving of a second motor, a second lead screw rotates, two pressing seats move oppositely until the two pressing seats are contacted with the electric actuator body, the second motor stops moving, the two pressing seats secondarily fix the electric actuator body, then, a first hydraulic rod extends to push a push plate to move forwards, a buffer spring extrudes the pushing seats to slide on the placing seat under the stress until the pushing seats are contacted with and extruded by the electric actuator body, the first hydraulic rod stops extending, and the two pushing seats simultaneously extrude the electric actuator body under the reverse acting force of the buffer spring to complete the re-fixation of the electric actuator body; the upper end of the limiting block is arc-shaped, so that the electric actuator body can be conveniently placed, and the smoothness of the placing process is improved; the limiting block is pushed by the reverse acting force of the limiting spring to clamp and fix the electric actuator body, so that the electric actuator body is prevented from moving after being placed, the friction force between the pressing seat and the electric actuator body is increased by the rubber pad, and the fixing effect is improved; buffer spring can cushion the pressure that pushes away seat and electric actuator body contact, and the while feedback pressure signal to first hydraulic stem avoids appearing excessive extrusion and causes the electric actuator body impaired, and the slipmat has increased the frictional force that pushes away between seat and the electric actuator body, further improves the fixed effect of centre gripping of electric actuator body, strengthens the overall stability after the electric actuator body is fixed.

3. According to the invention, through the arranged overturning component, after the position of the cleaning box is adjusted, the third motor driving side shaft rotates on the inner wall of the shaft seat, so that the whole placing seat is overturned until the torque detection end of the electric actuator body faces downwards; after the torque detection end of the electric actuator body is cleaned, the electric slide rail drives the shaft seat to move forwards, and in the moving process, the spherical roller in the auxiliary seat rolls in the roller groove of the side frame to provide an external supporting force for the movement of the shaft seat until the placing seat moves to the front of the torque tester for detection; utilize the upset subassembly to clean the torque detection end of electric actuator body down, the dust particle of the clean in-process of being convenient for falls fast, improves the clean effect of electric actuator body, and the auxiliary seat that utilizes spherical gyro wheel removes to the pedestal and assists, improves the stability that the electric actuator body removed.

4. According to the invention, through the arranged cleaning assembly, after the electric actuator body is overturned, a fan works to perform air suction operation on the two dust collecting cylinders, the air suction box performs air suction on the inside of the cleaning box, the second hydraulic rod pushes the fourth motor to move upwards, the third hydraulic rod is adjusted according to the caliber of the torque detection end of the electric actuator body at the same time, the third hydraulic rod pushes the connecting sleeve to move upwards, the overturning plate is overturned, the extending frame moves in the sliding groove of the bracket, the three extending frames are far away from the extending rod until being matched with the caliber of the torque detection end of the electric actuator body, then the three brush seats are inserted into the torque detection end of the electric actuator body, the fourth motor drives the connecting rod to rotate, so that the three brush seats perform circular motion in the torque detection end of the electric actuator body, and the soft brush brushes brush scrub the inner wall of the torque detection end of the electric actuator body, the dust particles in the dust collecting barrel fall off, the lower cleaning box performs air suction operation on the upper part all the time, and the fallen dust particles enter the cleaning box and enter the dust collecting barrel from the air suction box; the dust collecting device is characterized in that a fan is used for sucking air in the dust collecting barrel all the time, so that an upper port of the cleaning box serves as a dust collector, falling dust particles are quickly collected, and the falling of the dust particles is accelerated; the third hydraulic rod can adjust the height of the brush holder, so that the brushing operation of the interior of the torque detection end of the electric actuator body is facilitated, and the third hydraulic rod can adjust the height of the connecting sleeve, so that the connecting sleeve can move on the extension rod conveniently; the stretching frame capable of moving is utilized to adjust the diffusion degree of the brush seat conveniently according to the caliber of the torque detection end of the electric actuator body, so that the electric actuator body suitable for different specifications can be subjected to torque detection, the reset spring can assist the turnover plate to turn over and reset, and the stretching frame is convenient to move and reset.

5. According to the invention, through the arrangement of the placing assembly, before detection, the torsion tester is placed on the workbench, and the reverse acting force generated after elastic deformation of the fixing spring provides thrust to the clamping seat, so that the torsion tester can be fixed on the workbench; in the conveying process of the placing seat, according to the position of the torque detection end of the electric actuator body, the fourth hydraulic rod extends to adjust the height of the torque tester, so that the torque detection end of the electric actuator body and the test port of the torque tester are at the same height, and then the torque of the electric actuator is detected; the radiating pad can increase the radiating effect in the torque tester working process, increases the frictional force with the torque tester bottom simultaneously, improves the stability of torque tester, and the attenuator can play the absorbing effect of buffering, avoids vibrations to cause the influence to the testing result.

Drawings

Fig. 1 is a schematic structural diagram of a torque detection device for an electric actuator according to the present invention;

fig. 2 is a partial sectional structural schematic view of a torque detection device for an electric actuator according to the present invention;

fig. 3 is a schematic top view of a fixing assembly of a torque detection device for an electric actuator according to the present invention;

fig. 4 is a schematic diagram of a disassembled structure of a placing seat of the torque detection device for the electric actuator according to the present invention;

fig. 5 is a schematic structural diagram of a turning assembly of the torque detection device for the electric actuator according to the present invention;

FIG. 6 is a schematic view of a disassembled structure of a cleaning box of the torque detection device for the electric actuator according to the present invention;

fig. 7 is a partial structural schematic view of a cleaning box of the torque detection device for the electric actuator according to the present invention;

fig. 8 is a schematic diagram of an internal structure of an inner cylinder of a torque detection device for an electric actuator according to the present invention;

FIG. 9 is a schematic diagram of a bracket structure of a torque detection device for an electric actuator according to the present invention;

fig. 10 is a schematic structural diagram of a placement assembly of a torque detection device for an electric actuator according to the present invention.

In the figure: 1. a frame; 2. an electric actuator body; 3. a side frame; 4. a placing seat; 5. a cleaning tank; 6. a first motor; 7. a first lead screw; 8. a base; 9. a torque tester; 10. a limiting block; 11. pressing a base; 12. a pushing seat; 13. placing holes; 14. a side seat; 15. a limiting spring; 16. a rubber pad; 17. a second lead screw; 18. a second motor; 19. a main gear; 20. sleeving a wheel; 21. a fixed seat; 22. pushing the plate; 23. a first hydraulic lever; 24. a limiting rod; 25. a buffer spring; 26. a non-slip mat; 27. a side shaft; 28. a shaft seat; 29. a third motor; 30. an electric slide rail; 31. an auxiliary seat; 32. a spherical roller; 33. a wheel groove; 34. an inner barrel; 35. a dust collecting cylinder; 36. a fan; 37. a movable seat; 38. a machine base; 39. a connector; 40. an air suction box; 41. an air suction opening; 42. a blanking seat; 43. dust collection sponge; 44. a cylinder cover; 45. a second hydraulic rod; 46. a fourth motor; 47. a connecting rod; 48. a bracket; 49. an extension rod; 50. connecting sleeves; 51. a support; 52. a base plate; 53. a third hydraulic lever; 54. a top seat; 55. fixing a sleeve; 56. a turnover plate; 57. an extension frame; 58. a return spring; 59. a brush holder; 60. a soft brush; 61. a sieve plate; 62. a work table; 63. a base table; 64. a heat dissipation pad; 65. a holder; 66. drawing the block; 67. fixing the spring; 68. a fourth hydraulic lever; 69. a damper; 70. and (4) an observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

A torque detection device for an electric actuator is disclosed, as shown in figures 1 and 2, and comprises a frame 1 and an electric actuator body 2, wherein the upper end of the frame 1 is provided with two symmetrical rectangular grooves, the inner walls of the two rectangular grooves are connected with side frames 3 through bolts, a placing seat 4 is arranged between the two side frames 3, a fixing component is arranged on the placing seat 4, turning components are arranged on two sides of the placing seat 4, a cleaning box 5 is arranged below the placing seat 4, slide rails are arranged on two sides of the cleaning box 5, the cleaning box 5 is in sliding connection with the inner walls on two sides of the frame 1, a cleaning component is arranged on the cleaning box 5, the bottom of the frame 1 is provided with a groove, the inner wall of the groove is connected with a first motor 6 through bolts, the output end of the first motor 6 is connected with a first lead screw 7 through a coupler, and the other end of the first lead screw 7 is rotatably connected with the inner wall on one side of the frame 1, one side of cleaning box 5 is provided with base 8, passes through bolted connection between the downside outer wall of base 8 and the frame 1, and the top of base 8 is provided with places the subassembly, places and is provided with torque tester 9 on the subassembly.

Further, as shown in fig. 3 and 4, the fixing assembly includes two limiting blocks 10, two pressing seats 11 and two pushing seats 12, a placing hole 13 is formed in the placing seat 4, the two limiting blocks 10 are symmetrically distributed on two sides of the placing hole 13, the upper ends of the two limiting blocks 10 are both set to be arc-shaped, sliding seats are arranged at the bottoms of the two pressing seats 11 and the two pushing seats 12, the sliding seats are slidably connected with the inner wall of the upper side of the placing seat 4, the two pushing seats 12 of the two pressing seats 11 are symmetrically distributed, and the upper ends of the limiting blocks 10 are set to be arc-shaped, so that the electric actuator body 2 can be conveniently placed, and the smoothness of the placing process is improved; the outer wall of the upper side of the placing seat 4 is connected with two symmetrical side seats 14 through bolts, the two side seats 14 are positioned behind the two limit blocks 10, the outer wall of one side of each of the two side seats 14 is connected with three limit springs 15 through bolts, the other ends of the three limit springs 15 are connected with the outer wall of one side of the limit block 10 at the same side through bolts, the outer wall of one side of each of the two pressing seats 11 is a cambered surface, the outer wall of the cambered surface is connected with a rubber pad 16 through bolts, the outer wall of the rubber pad 16 is provided with a plurality of anti-skidding grooves, the sliding seats of the two pressing seats 11 are provided with symmetrical threaded holes, the inner walls of the two threaded holes are rotatably connected with the same second lead screw 17, two ends of the second lead screw 17 are respectively rotatably connected with the inner walls at two sides of the placing seat 4, the inside of the placing seat 4 is provided with a cavity, the inner wall of the placing seat 4 is connected with a second motor 18 through bolts, and the output end of the second motor 18 is connected with a short shaft coupling, the other end of the short shaft is connected with a main gear 19 through a bolt, the outer wall of the middle part of the second lead screw 17 is connected with a sleeve wheel 20 through a bolt, the main gear 19 is meshed with the sleeve wheel 20, the limiting block 10 is pushed to clamp and fix the electric actuator body 2 by the reverse acting force of the limiting spring 15, the electric actuator body 2 is prevented from moving after being placed, the rubber pad 16 increases the friction force between the pressing seat 11 and the electric actuator body 2, and the fixing effect is improved; the outer wall of the upper side of the placing seat 4 is connected with two fixing seats 21 through bolts, the two fixing seats 21 are symmetrically distributed on two corners of the placing seat 4, one sides of the two fixing seats 21 are respectively provided with a push plate 22, the push plate 22 is positioned between the fixing seats 21 and the push seat 12, the outer wall of one side of the fixing seats 21 is provided with a round hole, the inner wall of the round hole is connected with a first hydraulic rod 23 through bolts, the other end of the first hydraulic rod 23 is connected with the outer wall of one side of the push plate 22 through bolts, the outer wall of the other side of the push plate 22 is connected with four symmetrical limiting rods 24 through bolts, the outer wall of one side of the push seat 12 is provided with four symmetrical round holes, the four limiting rods 24 are connected with the inner walls of the four round holes in a sliding manner, the buffer springs 25 are sleeved outside the four limiting rods 24, two ends of the buffer springs 25 are respectively connected with the outer wall of one side of the push plate 22 and the outer wall of one side of the push seat 12 through bolts, the other side of the push seat 12 is provided with a cambered surface, the inner wall of cambered surface has slipmat 26 through bolted connection, the material of slipmat 26 is rubber, the outer wall of slipmat 26 is provided with intensive rubber arch, buffer spring 25 can cushion the pressure that pushes away seat 12 and the contact of electric actuator body 2, feedback pressure signal to first hydraulic stem 23 simultaneously, it causes electric actuator body 2 impaired to avoid appearing excessive extrusion, slipmat 26 has increased the frictional force that pushes away between seat 12 and the electric actuator body 2, further improve the fixed effect of centre gripping of electric actuator body 2, strengthen the overall stability after electric actuator body 2 is fixed.

Further, as shown in fig. 5, the turnover assembly includes two side shafts 27 and two shaft seats 28, the two side shafts 27 are respectively connected with the outer walls of the two sides of the placing seat 4 through bolts, the inner walls of the two shaft seats 28 are respectively connected with the outer walls of the two side shafts 27 through bearings, a circular groove is formed on one shaft seat 28, the inner wall of the circular groove is connected with a third motor 29 through bolts, the output end of the third motor 29 is connected with a short shaft through a coupler, the other end of the short shaft passes through the shaft seat 28 and is connected with the inner wall of the side shaft 27 through bolts, a sliding seat is arranged on one side of each of the two shaft seats 28, a sliding groove is formed on each of the two side frames 3, the sliding seat is connected with the inner wall of the sliding groove in a sliding manner, an electric slide rail 30 is arranged in the sliding groove of each of the two side frames 3, an auxiliary seat 31 is connected with the outer wall of one side of each of the two shaft seats 28 through bolts, and the auxiliary seat 31 is located above the side frame 3, spherical groove has been seted up to the bottom of auxiliary seat 31, spherical groove's inside is provided with spherical gyro wheel 32, race 33 has been seted up to the upside outer wall of side bearer 3, swing joint between auxiliary seat 31 and the side bearer 3, utilize the upset subassembly to clean the torque detection end of electric actuator body 2 down, the dust particle of the clean in-process of being convenient for falls fast, improve the clean effect of electric actuator body 2, utilize spherical gyro wheel 32's auxiliary seat 31 to remove to axle bed 28 and assist, improve the stability that electric actuator body 2 removed.

Further, as shown in fig. 6, 7, 8 and 9, the cleaning assembly includes an inner cylinder 34, two dust collecting cylinders 35 and a fan 36, the inner cylinder 34 is connected to the inner wall of the cleaning box 5 by bolts, the bottom of the cleaning box 5 is provided with two symmetrical cylindrical holes, the two dust collecting cylinders 35 are located inside the two cylindrical holes, the outer walls of the two dust collecting cylinders 35 are connected to the inner walls of the cylindrical holes by bolts, the bottom of the cleaning box 5 is connected to a movable base 37 by bolts, the bottom of the frame 1 is provided with a rectangular groove, the movable base 37 is located inside the rectangular groove, the movable base 37 is provided with a threaded hole, the first lead screw 7 is rotatably connected to the inner wall of the threaded hole by inner wall threads, the outer wall of one side of the cleaning box 5 is connected to a base 38 by bolts, the fan 36 is located on the upper side of the base 38, the outer wall of the bottom of the fan 36 is connected to the outer wall of the upper side of the base 38 by bolts, a connector 39 is arranged below the base 38, the outer wall of the connector 39 is connected with the outer wall of one side of the cleaning box 5 through a bolt, the output end of the fan 36 is connected with the upper port of the connector 39 through a hose, two sides of the connector 39 are provided with symmetrical lower ports, the two lower ports are respectively connected with the two dust collecting cylinders 35 through hoses, the two dust collecting cylinders 35 are respectively provided with a hole groove, the outer wall of the hole groove is connected with an air suction box 40 through a bolt, the outer wall of the air suction box 40 is connected with the inner wall of the cleaning box 5 through a bolt, the upper port of the air suction box 40 is provided with an air suction port 41, the air suction port 41 is positioned in the inner cavity of the cleaning box 5, the inner cavity of the cleaning box 5 is provided with a blanking seat 42, the bottom of the blanking seat 42 is connected with the inner wall of the cleaning box 5 through a bolt, the section of the blanking seat 42 is triangular, the outer walls of the blanking seat 42 are both smooth slopes, and the dust suction sponges 43 are arranged in the two dust collecting cylinders 35, the shape of dust absorption sponge 43 is the heliciform, sliding connection between the inner wall of dust absorption sponge 43 and laying dust section of thick bamboo 35, thread groove has all been seted up to one side inner wall of two laying dust section of thick bamboos 35, two laying dust section of thick bamboos 35 all have cover 44 through inner wall threaded connection, be provided with the sealing washer between cover 44 and the laying dust section of thick bamboo 35, utilize fan 36 to carry out induced draft operation in the laying dust section of thick bamboo 35 all the time, thereby the last port of cleaning box 5 acts as the effect of dust catcher, collect the dust particle that drops fast, also play the effect that the dust particle drops with higher speed simultaneously, the both sides outer wall of blanking seat 42 is smooth domatic, be convenient for the quick landing of dust particle to get into in the laying dust section of thick bamboo 35, dust absorption sponge 43 is the heliciform, can improve the contact effect of dust absorption sponge 43 in gas and the laying dust section of thick bamboo 35, thereby the absorption to the dust particle is accelerated; the inner part of the inner cylinder 34 is provided with a second hydraulic rod 45, the bottom of the second hydraulic rod 45 is connected with the inner wall of the cleaning box 5 through a bolt, the other end of the second hydraulic rod 45 is connected with a fourth motor 46 through a bolt, the outer wall of the fourth motor 46 is connected with the inner wall of the inner cylinder 34 in a sliding way, the output end of the fourth motor 46 is connected with a connecting rod 47 through a coupling joint, the other end of the connecting rod 47 is connected with a bracket 48 through a bolt, the upper outer wall of the bracket 48 is provided with a circular groove, the inner wall of the circular groove is connected with an extension rod 49 through a bolt, the outer wall of the extension rod 49 is connected with a connecting sleeve 50 in a sliding way, the outer wall of the connecting sleeve 50 is connected with three brackets 51 through a bolt, the three brackets 51 are distributed in a circumference equidistance way, the upper outer wall of the bracket 48 is provided with rectangular grooves in a circumference equidistance way, the inner walls of the three rectangular grooves are all connected with a backing plate 52 through a bolt, a round groove is arranged on the backing plate 52, the inner wall of the circular groove is connected with a third hydraulic rod 53 through a bolt, the other end of the third hydraulic rod 53 is connected with the outer wall of the lower side of the bracket 51 through a bolt, the third hydraulic rod 53 can adjust the height of the brush base 59, so that the brushing operation on the inner part of the torque detection end of the electric actuator body 2 is facilitated, the third hydraulic rod 53 can adjust the height of the connecting sleeve 50, and the movement of the connecting sleeve 50 on the extension rod 49 is facilitated; the top end of the extension rod 49 is connected with a top seat 54 through a bolt, the cross section of the top seat 54 is in an equilateral hexagon shape, a fixing sleeve 55 is arranged between the top seat 54 and the connecting sleeve 50, the inner wall of the fixing sleeve 55 is connected with the outer wall of the extension rod 49 through a bolt, three side outer walls of the fixing sleeve 55 are respectively provided with a rectangular groove, the three rectangular grooves are distributed in a circumferential equidistant manner, two side inner walls of the three rectangular grooves are respectively and rotatably connected with a turnover plate 56 through a bearing, the other ends of the three turnover plates 56 are respectively and rotatably connected with an extension frame 57 through a bearing, the bottoms of the three extension frames 57 are respectively provided with a sliding seat, the upper sides of the three supports 51 are respectively provided with a sliding groove, the three extension frames 57 are respectively and slidably connected with the three supports 51, the outer wall of one side of each turnover plate 56 is respectively connected with a reset spring 58 through a bolt, the other end of the reset spring 58 is connected with the outer wall of one side of the top seat 54 through a bolt, two round holes have been seted up to the upside outer wall of three extension frame 57, the inner wall of two round holes has same brush holder 59 through bolted connection, one side outer wall of brush holder 59 is provided with pappus brush 60, and the upside outer wall of clean box 5 has seted up the rectangular channel, the inner wall of rectangular channel has sieve 61 through bolted connection, the aperture cross-section on the sieve 61 is the trapezium of invering, the extension frame 57 that utilizes can move about is convenient for according to the aperture adjustment brush holder 59's of the torque detection end of electric actuator body 2 diffusion degree, thereby the electric actuator body 2 who adapts to different specifications carries out the torque and detects, reset spring 58 can assist returning face plate 56 to overturn and reset, thereby the removal of extension frame 57 of being convenient for resets.

Further, as shown in fig. 10, the placing assembly comprises a workbench 62 and a bottom table 63, the upper outer wall of the workbench 62 is connected with a heat dissipating pad 64 through bolts, the heat dissipating pad 64 is equidistantly provided with a plurality of rectangular grooves, the upper outer wall of the heat dissipating pad 64 is provided with a rubber layer, both sides of the workbench 62 are provided with clamping seats 65, one outer wall of one side of each of the two clamping seats 65 is connected with a drawing block 66 through bolts, both outer walls of both sides of the workbench 62 are provided with square grooves, the drawing block 66 is slidably connected with the inner wall of the square groove, both outer walls of both sides of the workbench 62 are connected with two fixed springs 67 through bolts, the two fixed springs 67 are symmetrically distributed at both sides of the drawing block 66, the other ends of the two fixed springs 67 are connected with one outer wall of the clamping seat 65 through bolts, the bottom table 63 is positioned below the workbench 62, the inner wall of the bottom table 63 is connected with a fourth hydraulic rod 68 through bolts, the other end of fourth hydraulic stem 68 passes through bolted connection with the bottom inner wall of workstation 62, the base 63 is located the top of base 8, the rectangular channel of four symmetries is all seted up to the downside outer wall of base 63 and the upside outer wall of base 8, four rectangular channels are located the four corners respectively, there is attenuator 69 through bolted connection between two upper and lower rectangular channels, the radiating effect in the torsional force tester 9 working process can be increased to the cooling pad 64, increase the frictional force with the torsional force tester 9 bottom simultaneously, improve torsional force tester 9's stability, attenuator 69 can play buffering absorbing effect, avoid vibrations to cause the influence to the testing result.

Furthermore, as shown in fig. 1, rectangular holes are formed in the outer walls of the two sides of the rack 1, grooves are formed in the inner walls of the four sides of the rectangular holes, the inner walls of the grooves are connected with the observation window 70 through bolts, and the observation window 70 is made of tempered glass.

When the electric actuator is used, the torsion tester 9 is placed on the workbench 62 before detection, the reverse acting force after elastic deformation of the fixed spring 67 provides thrust to the clamping seat 65, so that the torsion tester 9 can be fixed on the workbench 62, then the electric actuator body 2 is placed on the placing seat 4, the electric actuator body 2 extrudes the limiting blocks 10 on two sides in the placing process, the limiting springs 15 contract to increase the distance between the two limiting blocks 10, after the electric actuator body 2 is completely placed, the limiting springs 15 apply thrust to the limiting blocks 10 under the reverse acting force of elastic deformation, the limiting blocks 10 on two sides clamp and fix the electric actuator body 2, then under the driving of the second motor 18, the second lead screw 17 rotates, the two pressing seats 11 move oppositely until contacting with the electric actuator body 2, the second motor 18 stops moving, and the two pressing seats 11 fix the electric actuator body 2 for the second time, then, the first hydraulic rod 23 extends to push the push plate 22 to move forward, the buffer spring 25 is forced to press the push seat 12 to slide on the placing seat 4 until the push seat 12 contacts and presses the electric actuator body 2, the first hydraulic rod 23 stops extending, the two push seats 12 simultaneously press the electric actuator body 2 by the reverse acting force of the buffer spring 25, the re-fixing of the electric actuator body 2 is completed, then the first motor 6 drives the first lead screw 7 to rotate, the position of the cleaning box 5 is adjusted, the third motor 29 drives the side shaft 27 to rotate on the inner wall of the shaft seat 28, so that the placing seat 4 is integrally turned over until the torque detection end of the electric actuator body 2 is downward, then the fan 36 operates to perform air suction operation in the two dust collecting cylinders 35, the air suction box 40 performs air suction on the inside of the cleaning box 5, the second hydraulic rod 45 pushes the fourth motor 46 to move upward, meanwhile, a third hydraulic rod 53 is adjusted according to the caliber of the torque detection end of the electric actuator body 2, the third hydraulic rod 53 pushes the connecting sleeve 50 to move upwards, the turnover plate 56 turns over, the extending frame 57 moves in the sliding groove of the support 51, the three extending frames 57 are far away from the extending rod 49 until the connecting sleeve is matched with the caliber of the torque detection end of the electric actuator body 2, then the three brush holders 59 are inserted into the torque detection end of the electric actuator body 2, the fourth motor 46 drives the connecting rod 47 to rotate, so that the three brush holders 59 perform circular motion in the torque detection end of the electric actuator body 2, the soft brush 60 brushes the inner wall of the torque detection end of the electric actuator body 2 to enable internal dust particles to fall off, the lower cleaning box 5 performs air suction operation on the upper part all the time to enable the fallen dust particles to enter the cleaning box 5 and enter the dust collecting barrel 35 from the air suction box 40, and the electric sliding rail 30 drives the dust collecting barrel 28 to move forwards after cleaning is completed, during the moving process, the spherical roller 32 in the auxiliary seat 31 rolls in the roller groove 33 of the side frame 3 to provide an external supporting force for the movement of the shaft seat 28 until the placing seat 4 moves to the front of the torque tester 9, and during the conveying process, according to the position of the torque detection end of the electric actuator body 2, the fourth hydraulic rod 68 extends to adjust the height of the torque tester 9, so that the torque detection end of the electric actuator body 2 and the test port of the torque tester 9 are at the same height, and then the torque of the electric actuator body 2 is detected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A torque detection device for an electric actuator comprises a rack (1) and an electric actuator body (2), and is characterized in that two symmetrical rectangular grooves are formed in the upper end of the rack (1), side frames (3) are fixedly connected to the inner walls of the two rectangular grooves, a placing seat (4) is arranged between the two side frames (3), a fixing assembly is arranged on the placing seat (4), overturning assemblies are arranged on two sides of the placing seat (4), a cleaning box (5) is arranged below the placing seat (4), sliding rails are arranged on two sides of the cleaning box (5), the cleaning box (5) is movably connected with the inner walls of two sides of the rack (1), a cleaning assembly is arranged on the cleaning box (5), a groove is formed in the bottom of the rack (1), a first motor (6) is fixedly connected to the inner wall of the groove, the output end of the first motor (6) is connected with a first lead screw (7) through a coupler, and the other end of first lead screw (7) and one side inner wall swing joint of frame (1), one side of clean case (5) is provided with base (8), fixed connection between the downside outer wall of base (8) and frame (1), and the top of base (8) is provided with places the subassembly, places and is provided with torque tester (9) on the subassembly.

2. The torque detection device for the electric actuator according to claim 1, wherein the fixing assembly comprises two limit blocks (10), two pressing seats (11) and two pushing seats (12), a placing hole (13) is formed in the placing seat (4), the two limit blocks (10) are symmetrically distributed on two sides of the placing hole (13), the upper ends of the two limit blocks (10) are both arc-shaped, sliding seats are respectively arranged at the bottoms of the two pressing seats (11) and the two pushing seats (12), the sliding seats are movably connected with the inner wall of the upper side of the placing seat (4), and the two pressing seats (11) and the two pushing seats (12) are symmetrically distributed.

3. The torque detection device for the electric actuator according to claim 2, wherein two symmetrical side seats (14) are fixedly connected to the outer wall of the upper side of the placing seat (4), the two side seats (14) are located behind the two limit blocks (10), three limit springs (15) are fixedly connected to the outer wall of one side of each of the two side seats (14), the other ends of the three limit springs (15) are fixedly connected to the outer wall of one side of the limit block (10) on the same side, the outer wall of one side of each of the two pressing seats (11) is provided with a cambered surface, the outer wall of the cambered surface is fixedly connected with a rubber pad (16), the outer wall of the rubber pad (16) is provided with a plurality of anti-skid grooves, the sliding seats of the two pressing seats (11) are provided with symmetrical threaded holes, the inner walls of the two threaded holes are movably connected with the same second lead screw (17), the two ends of the second lead screw (17) are respectively movably connected with the inner walls on two sides of the placing seat (4), the inner part of the placing seat (4) is opened into a cavity, the inner wall of the placing seat (4) is fixedly connected with a second motor (18), the output end of the second motor (18) is connected with a short shaft through a coupler, the other end of the short shaft is fixedly connected with a main gear (19), the outer wall of the middle part of a second lead screw (17) is fixedly connected with a sleeve wheel (20), and the main gear (19) is meshed with the sleeve wheel (20).

4. The torque detection device for the electric actuator according to claim 2, wherein two fixing seats (21) are fixedly connected to the outer wall of the upper side of the placing seat (4), the two fixing seats (21) are symmetrically distributed at two corners of the placing seat (4), a push plate (22) is arranged on each of the two fixing seats (21), the push plate (22) is arranged between the fixing seat (21) and the push seat (12), a circular hole is formed in the outer wall of one side of the fixing seat (21), a first hydraulic rod (23) is fixedly connected to the inner wall of the circular hole, the other end of the first hydraulic rod (23) is fixedly connected to the outer wall of one side of the push plate (22), four symmetrical limiting rods (24) are fixedly connected to the outer wall of the other side of the push plate (22), four symmetrical circular holes are formed in the outer wall of one side of the push seat (12), and the four limiting rods (24) are movably connected to the inner walls of the four circular holes, buffer spring (25) have all been cup jointed to the outside of four gag lever posts (24), and the both ends of buffer spring (25) respectively with one side outer wall of push pedal (22) and the one side outer wall fixed connection who pushes away seat (12), push away the opposite side of seat (12) and seted up the cambered surface, the inner wall fixedly connected with slipmat (26) of cambered surface, the material of slipmat (26) is rubber, the outer wall of slipmat (26) is provided with intensive rubber arch.

5. The torque detection device for the electric actuator according to claim 1, wherein the turning assembly comprises two side shafts (27) and two shaft seats (28), the two side shafts (27) are respectively fixedly connected with the outer walls of the two sides of the placing seat (4), the inner walls of the two shaft seats (28) are respectively movably connected with the outer walls of the two side shafts (27), one shaft seat (28) is provided with a circular groove, the inner wall of the circular groove is fixedly connected with a third motor (29), the output end of the third motor (29) is connected with a short shaft through a coupling, the other end of the short shaft penetrates through the shaft seat (28) and is fixedly connected with the inner walls of the side shafts (27), one side of each of the two shaft seats (28) is provided with a sliding seat, the two side frames (3) are respectively provided with a sliding groove, the sliding seats are movably connected with the inner walls of the sliding grooves, electric sliding rails (30) are arranged in the sliding grooves of the two side frames (3), and the outer walls of one sides of the two shaft seats (28) are fixedly connected with auxiliary seats (31), the auxiliary seats (31) are positioned above the side frames (3), spherical grooves are formed in the bottoms of the auxiliary seats (31), spherical rollers (32) are arranged in the spherical grooves, wheel grooves (33) are formed in the outer walls of the upper sides of the side frames (3), and the auxiliary seats (31) are movably connected with the side frames (3).

6. The torque detection device for the electric actuator according to claim 5, wherein the cleaning assembly comprises an inner cylinder (34), two dust collecting cylinders (35) and a fan (36), the inner cylinder (34) is fixedly connected with the inner wall of the cleaning box (5), the bottom of the cleaning box (5) is provided with two symmetrical cylindrical holes, the two dust collecting cylinders (35) are positioned inside the two cylindrical holes, the outer walls of the two dust collecting cylinders (35) are fixedly connected with the inner wall of the cylindrical holes, the bottom of the cleaning box (5) is fixedly connected with a movable seat (37), the bottom of the rack (1) is provided with a rectangular groove, the movable seat (37) is positioned inside the rectangular groove, the movable seat (37) is provided with a threaded hole, the first lead screw (7) is movably connected with the inner wall of the threaded hole through an inner wall thread, the outer wall of one side of the cleaning box (5) is fixedly connected with a base (38), the fan (36) is positioned on the upper side of the base (38), the outer wall of the bottom of the fan (36) is fixedly connected with the outer wall of the upper side of the base (38), a connector (39) is arranged below the base (38), the outer wall of the connector (39) is fixedly connected with the outer wall of one side of the cleaning box (5), the output end of the fan (36) is connected with the upper end opening of the connector (39) through a hose, the two sides of the connector (39) are provided with symmetrical lower end openings, the two lower end openings are respectively connected with the two dust collecting cylinders (35) through hoses, the two dust collecting cylinders (35) are respectively provided with a hole groove, the outer wall of each hole groove is fixedly connected with an air suction box (40), the outer wall of the air suction box (40) is fixedly connected with the inner wall of the cleaning box (5), the upper end opening of the air suction box (40) is provided with an air suction opening (41), and the air suction opening (41) is positioned in the inner cavity of the cleaning box (5), the inner chamber of clean case (5) is provided with blanking seat (42), the bottom of blanking seat (42) and the inner wall fixed connection of clean case (5), the cross-section of blanking seat (42) is triangle-shaped, the both sides outer wall of blanking seat (42) is glossy domatic, and the inside of two deposition section of thick bamboo (35) all is provided with dust absorption sponge (43), the shape of dust absorption sponge (43) is the heliciform, swing joint between the inner wall of dust absorption sponge (43) and deposition section of thick bamboo (35), the thread groove has all been seted up to one side inner wall of two deposition section of thick bamboo (35), two deposition section of thick bamboo (35) all have cover (44) through inner wall threaded connection, be provided with the sealing washer between cover (44) and deposition section of thick bamboo (35).

7. The torque detection device for the electric actuator according to claim 6, wherein a second hydraulic rod (45) is arranged inside the inner cylinder (34), the bottom of the second hydraulic rod (45) is fixedly connected with the inner wall of the cleaning box (5), the other end of the second hydraulic rod (45) is fixedly connected with a fourth motor (46), the outer wall of the fourth motor (46) is movably connected with the inner wall of the inner cylinder (34), the output end of the fourth motor (46) is connected with a connecting rod (47) through a coupler, the other end of the connecting rod (47) is fixedly connected with a bracket (48), the outer wall of the upper side of the bracket (48) is provided with a circular groove, the inner wall of the circular groove is fixedly connected with an extension rod (49), the outer wall of the extension rod (49) is movably connected with a connecting sleeve (50), and the outer wall of the connecting sleeve (50) is fixedly connected with three brackets (51), three support (51) are circumference equidistance and distribute, and the upside outer wall of bracket (48) is the circumference equidistance and has seted up the rectangular channel, the equal fixedly connected with backing plate (52) of inner wall of three rectangular channel, has seted up a circular slot on backing plate (52), the inner wall fixedly connected with third hydraulic stem (53) of circular slot, the other end of third hydraulic stem (53) and the downside outer wall fixed connection of support (51).

8. The torque detection device for the electric actuator according to claim 7, wherein the top end of the extension rod (49) is fixedly connected with a top seat (54), the cross section of the top seat (54) is equilateral hexagon, a fixed sleeve (55) is arranged between the top seat (54) and the connecting sleeve (50), the inner wall of the fixed sleeve (55) is fixedly connected with the outer wall of the extension rod (49), three side outer walls of the fixed sleeve (55) are respectively provided with a rectangular groove, the three rectangular grooves are distributed at equal intervals on the circumference, the inner walls at two sides of the three rectangular grooves are respectively and movably connected with a turning plate (56), the other ends of the three turning plates (56) are respectively and movably connected with an extension frame (57), the bottoms of the three extension frames (57) are respectively provided with a slide seat, the upper sides of the three supports (51) are respectively provided with a slide groove, and the three extension frames (57) are movably connected with the three supports (51), and the equal fixedly connected with reset spring (58) of one side outer wall of three returning face plate (56), the other end of reset spring (58) and one side outer wall fixed connection of footstock (54), two round holes have been seted up to the upside outer wall of three extension frame (57), the same brush holder (59) of inner wall fixedly connected with of two round holes, one side outer wall of brush holder (59) is provided with pappus brush (60), and the upside outer wall of cleaning box (5) has seted up the rectangular channel, the inner wall fixedly connected with sieve (61) of rectangular channel, the aperture cross-section on the sieve (61) is the trapezoidal of invering.

9. The torque detection device for the electric actuator according to claim 1, wherein the placement assembly comprises a workbench (62) and a bottom table (63), the outer wall of the upper side of the workbench (62) is fixedly connected with a heat dissipation pad (64), a plurality of rectangular grooves are formed in the heat dissipation pad (64) at equal intervals, the outer wall of the upper side of the heat dissipation pad (64) is provided with a rubber layer, clamping seats (65) are arranged on both sides of the workbench (62), the outer wall of one side of each of the two clamping seats (65) is fixedly connected with a drawing block (66), the outer wall of both sides of the workbench (62) is provided with a square groove, the drawing block (66) is movably connected with the inner wall of the square groove, the outer wall of both sides of the workbench (62) is fixedly connected with two fixing springs (67), the two fixing springs (67) are symmetrically distributed on both sides of the drawing block (66), and the other ends of the two fixing springs (67) are fixedly connected with the outer wall of one side of the clamping seats (65), and base frame (63) are located the below of workstation (62), inner wall fixedly connected with fourth hydraulic stem (68) of base frame (63), the other end of fourth hydraulic stem (68) and the bottom inner wall fixed connection of workstation (62), base frame (63) are located the top of base (8), the rectangular channel of four symmetries is all seted up to the downside outer wall of base frame (63) and the upside outer wall of base (8), four rectangular channels are located the four corners respectively, fixedly connected with attenuator (69) between two upper and lower rectangular channels.

10. The torque detection device for the electric actuator according to claim 1, wherein rectangular holes are formed in outer walls of two sides of the frame (1), grooves are formed in inner walls of four sides of each rectangular hole, an observation window (70) is fixedly connected to an inner wall of each groove, and the observation window (70) is made of tempered glass.